TM 55-1520-240-23-5
6-138
DRAIN AFT TRANSMISSION OIL
6-138
INITIAL SETUP
Applicable Configurations:
All
Tools:
Container, 14 Quart (3)
Hose, 1 Inch ID, 36 Inches Long
Materials:
None
Personnel Required:
Medium Helicopter Repairer
Equipment Condition:
Battery Disconnected (Task 1-39)
Electrical Power Off
Baffles Under Aft Transmission Open (Task 2-2)
Aft Transmission Drip Tray Removed (Task 2-3)
Cargo Ramp Open and Level (Task 2-2)
NOTE
Sump holds about 30 quarts of oil.
1.
Connect hose (1) to drain valve (2). Direct end
of hose into container.
2.
Push in drain valve (2), twist it, and pull. Let oil
drain into container.
3.
Push in drain valve (2), twist it, and pull down.
Remove hose (1) from valve.
FOLLOW-ON MAINTENANCE:
Install aft transmission drip tray (Task 2-3).
Close baffles under aft transmission (Task 2-2).
Close cargo ramp (Task 2-2).
END OF TASK
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